MESON Chess Problem Database
Problem Display
PID: 204276 (K3R2q/bPpkpP2/6B1/p2P1P2/1r2N1b1/Q2R4/7B/8 w - - 0 1)
Homey, Hans
6th Prize, Unterfrankische Arbeiter-Schachzeitung, 1924
#2
11 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.f8S#
- 1...Qb2
- 2.f8S#
- 1...Qc3
- 2.f8S#
- 1...Qd4
- 2.f8S#
- 1...Qe5
- 2.f8S#
- 1...Qxh2
- 2.f8S#
- 1...Qh3
- 2.f8S#
- 1...Qh4
- 2.f8S#
- 1...Qh5
- 2.f8S#
- 1...Qh7
- 2.f8S#
- 1...Qxe8+
- 2.fxe8Q#
- 1...Rb1
- 2.Qxe7#
- 1...Rb2
- 2.Qxe7#
- 1...Rb3
- 2.Qxe7#
- 1...Ra4
- 2.Qxe7#
- 1...Rc4
- 2.Qxe7#
- 1...Rd4
- 2.Qxe7#
- 1...Rb5
- 2.Qxe7#
- 1...Rb6
- 2.Sc5#
- 2.Qxe7#
- 1...Rxb7
- 2.Qxe7#
- 1...Bc5
- 2.Sxc5#
- 1...Bb6
- 2.b8S#
- 1...Bb8
- 2.Sc5#
- 1...Qa1
- Tries
- 1.Qc1?
- threat
- 2.Qc6#
- 2.Qxc7#
- 1...Qxe8+
- 2.fxe8Q#
- 1...Qxh2
- 2.Qc6#
- 2.f8S#
- 1...Rxb7
- 2.Qc6#
- 1...Qc3
- 2.f8S#
- 1...Qe5
- 2.Qc6#
- 2.f8S#
- 1...Qf6
- 2.Qxc7#
- 1...Rb6
- 2.Sc5#
- 2.Qxc7#
- 1...Bc5
- 2.Sxc5#
- 1...Bb6
- 2.Qc6#
- 2.b8S#
- 1...Bb8
- 2.Sc5#
- 2.Qc6#
- 1...c5
- 2.dxc5 ep#
- 1...c6
- 2.Qxc6#
- 2.dxc6#
- 1...e5
- 2.Qc6#
- 2.dxe5 ep#
- 1...Rc4!
- threat
- 1.Qc3?
- threat
- 2.Qc6#
- 2.Qxc7#
- 1...Qxe8+
- 2.fxe8Q#
- 1...Qxc3
- 2.f8S#
- 1...Qxh2
- 2.Qc6#
- 2.f8S#
- 1...Rxb7
- 2.Qc6#
- 1...Qf6
- 2.Qxc7#
- 1...Qe5
- 2.Qc6#
- 2.f8S#
- 1...Rb6
- 2.Sc5#
- 2.Qxc7#
- 1...Bc5
- 2.Sxc5#
- 1...Bb6
- 2.Qc6#
- 2.b8S#
- 1...Bb8
- 2.Sc5#
- 2.Qc6#
- 1...c5
- 2.dxc5 ep#
- 1...c6
- 2.Qxc6#
- 2.dxc6#
- 1...e5
- 2.Qc6#
- 2.dxe5 ep#
- 1...Rc4!
- threat
- 1.b8Q?
- threat
- 2.Qxc7#
- 2.Qc8#
- 2.Qd8#
- 1...Qxh2
- 2.Rd8#
- 2.Qc8#
- 2.Qd8#
- 2.f8S#
- 1...Qxe8
- 2.Qxe8#
- 2.fxe8Q#
- 2.fxe8B#
- 1...Bxb8
- 2.Sc5#
- 1...Rc4
- 2.Rxe7#
- 2.Qxe7#
- 2.Qc8#
- 2.Qd8#
- 1...Qc3
- 2.Rd8#
- 2.Qc8#
- 2.Qd8#
- 2.f8S#
- 1...Qe5
- 2.Rd8#
- 2.Qc8#
- 2.Qd8#
- 2.f8S#
- 1...Rb7
- 2.Rxe7#
- 2.Qxe7#
- 2.Qc8#
- 2.Qd8#
- 1...Bb6
- 2.Qc8#
- 2.Qd8#
- 1...c5
- 2.Qc7#
- 2.Qc8#
- 2.Qd8#
- 1...c6
- 2.Qc7#
- 2.Qc8#
- 2.Qd8#
- 1...e5
- 2.Qc8#
- 2.Qd8#
- 1...Rxb8+!
- threat
- 1.b8S+?
- 1...Bxb8
- 2.Sc5#
- 1...Rxb8+!
- 1...Bxb8
- 1.b8R?
- threat
- 2.Rbd8#
- 1...Qxe8
- 2.fxe8Q#
- 2.fxe8B#
- 1...Bxb8
- 2.Sc5#
- 1...Rxb8+!
- threat
- 1.f8Q?
- threat
- 2.Rxe7#
- 2.Rd8#
- 2.Qxe7#
- 1...Rxe4
- 2.Rd8#
- 1...Qe5
- 2.Rd8#
- 1...Qf6
- 2.Rd8#
- 1...Qg7
- 2.Rd8#
- 1...Qh4
- 2.Rd8#
- 1...Qh7
- 2.Rd8#
- 1...Bc5
- 2.Sxc5#
- 2.Rd8#
- 1...e5
- 2.Re7#
- 2.Rd8#
- 2.Qe7#
- 2.Qf7#
- 1...e6
- 2.Re7#
- 2.Rd8#
- 2.Qe7#
- 2.Qf7#
- 1...Qxf8!
- threat
- 1.Qc1?
- Keys
- 1.Rc3!
- threat
- 2.Rxc7#
- 1...Qxe8+
- 2.fxe8Q#
- 1...Qxc3
- 2.f8S#
- 1...Qxh2
- 2.f8S#
- 1...Rxb7
- 2.Qxe7#
- 1...Qe5
- 2.f8S#
- 1...Rc4
- 2.Qxe7#
- 1...Bc5
- 2.Sxc5#
- 1...Bb6
- 2.b8S#
- 1...Bb8
- 2.Sc5#
- 1...c5
- 2.dxc5 ep#
- 1...c6
- 2.dxc6#
- 1...e5
- 2.dxe5 ep#
- threat
- 1.Rc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 13
- Sets
- Q(h);N_GUARD,N_PINR(K)::P=S
- Q(h);N_GUARD,N_PINR(K),XB(A)::P=S
- Q(h);CHECK,OGATE,XR(K)::PXQ(h)=Q
- R(a);OGATE::QAR1(B),XP(g)
- R(a);OGATE,XP(H)::QAR1(B),XP(g)
- B(d);N_GUARD::S(D),XB(d)
- B(d);N_GUARD,S_CUTR(a)::P=S
- B(d);N_GUARD,N_PINR(K)::S(D)
- Tries
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(h);CHECK,OGATE,XR(K)::PXQ(h)=Q
- R(a);XP(H)::QAB1(B)
- Q(h);N_GUARD,N_PINR(K)::P=S
- Q(h);N_PINR(K)::QAR1(B),XP(e)
- B(d);N_GUARD::S(D),XB(d)
- P(e);OGATE::R(C)+P(E)DCHECK,XP(e),EP
- Refutation
- R(a);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(h);CHECK,OGATE,XR(K)::PXQ(h)=Q
- Q(h);N_GUARD,N_PINR(K),XQ(B)::P=S
- R(a);XP(H)::QAB1(B)
- Q(h);N_PINR(K)::QAR1(B),XP(e)
- B(d);N_GUARD::S(D),XB(d)
- P(e);OGATE::R(C)+P(E)DCHECK,XP(e),EP
- Refutation
- R(a);
- Try
- P(H);N_SPINR(K)
- Threat
- DUALS(3)
- Vars
- B(d);N_GUARD,XQ(H)::S(D)
- Refutation
- R(a);CHECK,XQ(H)
- Try
- P(H);CHECK,N_SPINR(K)
- Vars
- B(d);XS(H)::S(D)
- Refutation
- R(a);CHECK,XS(H)
- Try
- P(H);N_SPINR(K)
- Threat
- R1(H)
- Vars
- Q(h);OGATE,P_PINR(H),XR(K)::PXQ(h)=Q
- B(d);N_GUARD,XR(H)::S(D)
- Refutation
- R(a);CHECK,XR(H)
- Try
- P(I);N_SPINR(K)
- Threat
- DUALS(3)
- Vars
- R(a);XS(D)::R1(K)
- Q(h);::R1(K)
- Refutation
- Q(h);P_PINR(K),XQ(I)
- Try
- Actual
- R(C);
- Threat
- R1(C),XP(e)
- Vars
- Q(h);CHECK,OGATE,XR(K)::PXQ(h)=Q
- Q(h);N_GUARD,N_PINR(K),XR(C)::P=S
- Q(h);N_GUARD,N_PINR(K),XB(A)::P=S
- R(a);OGATE,XP(H)::QAR1(B),XP(g)
- Q(h);N_GUARD,N_PINR(K)::P=S
- R(a);OGATE::QAR1(B),XP(g)
- B(d);N_GUARD::S(D),XB(d)
- B(d);N_GUARD,S_CUTR(a)::P=S
- B(d);N_GUARD,N_PINR(K)::S(D)
- P(e);OGATE::P(E),XP(e),EP
- P(e);OGATE::P(E),XP(e)
- P(g);OGATE::P(E),XP(g),EP
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).